levine, 21 million prescriptions written a year for the adhd drugs. what percent are actually legit? >> there's a large percentage of them that are legit because they're really good medications for children who need them. the problem is, is that a lot of kids with learning the buzz words and the parents are learning the buzz words to say what the child is suffering from to give them an edge. really, that's not the case. >> so jen, do they get -- is there a temporary edge and then it hurts? i mean, you see this as well. >> we do. i think that it's not a temporary edge. they do see that it helps them become laser focused and really able to hone in on the things they need to hone in to perform better on tests, to do their homework more effectively and be better athletes. they are short term gains but long-term potential risks. there could be health risks, heart problems, sleep problems, mood disorders and they need to use more and more and more. it could be a gateway to other drugs. there's a lot of risk. >> when you think about the playing field, how co